Entered wine trade in 1955 after taking an M.A. degree at Cambridge. Worked for I.D.V. 1962-1974. Consultant 1974-93. French Wine Farmers/Private Liquor Brands until retirement in 1999. Jury of Premier Concours International 1972, Technical Committee of I.O.V. 1970-1974. Author of 'Bordeaux' (2 editions, 3rd in preparation), Pocket Guide to Bordeaux new edition 1998 and regular German editions, Chairman of the Institute 68-70, co-author of Report on Appellation Controlee 1970. Director of Wine Standard Board 87-93. Has lectured on Loire all over the world.